Home / 16,972.53-25,458.79-8,214.81

Finding the Fourth Proportional to 16,972.53, 25,458.79 and 8,214.81

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Solution

The fourth proportional to 16,972.53, 25,458.79 and 8,214.81 is: 12,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.53 : 25,458.79 = 8,214.81 : x
  2. Step 2: Convert to fraction form
    16,972.53/25,458.79 = 8,214.81/x
  3. Step 3: Cross multiply
    16,972.53x = 25,458.79 × 8,214.81
  4. Step 4: Simplify right side
    16,972.53x = 209,139,122.68
  5. Step 5: Solve for x
    x = 209,139,122.68/16,972.53
  6. Step 6: Final answer
    x = 12,322.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.